German Cable Operator Posts 4.7Gbps Speed on Cable ISP

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Kabel Deutschland, the largest cable operator in Germany, has successfully achieved 4.7Gbps speed on cable ISP. This attempt was done even without by altering the current infrastructure and it proves that the prevailing technologies are capable of far more than we have expected so far.

The tests were conducted on a real cable plant at a school in the city of Schwerin, Germany.

Schwerin’s cable plant was recently upgraded by Kabel Deutschland to 862 MHz, and the 4.7Gbps field test was based on the use of currently available standards, technology and hardware.

This will enable every connected modem to collocate eight data channels at 8MHz per channel adding up to potentially 768MHz of channel bandwidth.

This is, of course, a very close value to the network’s physical limits. Kabel Deutschland has been an ARRIS CMTS customer since 2007.

ARRIS is a global communications technology company concentrating on design, fabrication and supply of communications and IP technologies that support broadband services for residential and business customers around the world.

This company supplies broadband operators with the tools and platforms they need to deliver and monitor advanced video, data and voice subscriber services.

As a speed comparison, Verizon offers download speeds of 300 Mbps on its FiOS service. Meanwhile the above mentioned 4.7Gbps accounts for a whooping 4,700 Mbps.

Editor’s comment: Bonding 12 FiOS channels could get you 3,600 Mbps of 3.6 Gbps and that still falls short of Kabel Deutschland’s accomplishment.